EFFICIENT ONE-POT SYNTHESIS OF BENZO[e]PYRAZOLO-[1,5-c][1,3]THIAZINE DERIVATIVES UNDER COPPER-CATALYZED CONDITIONS

被引：6
|
作者：
Jie, Jiyang [1 ]
Li, Haoyi [1 ]
Piao, Meihui [1 ]
Yang, Xiaobo [1 ]
机构：
[1] Shenyang Normal Univ, Coll Chem & Chem Engn, Shenyang 110034, Liaoning, Peoples R China
来源：
HETEROCYCLES | 2016年 / 92卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Copper Catalyst; One-Pot Reaction; S-Arylation Reaction; Pyrazole; Thiazine; DIRECT IMINE ACYLATION; HETEROCYCLIC SCAFFOLDS; ACID-DERIVATIVES; CYCLIZATION; SCOPE;
D O I：
10.3987/COM-16-13477
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient method has been developed for the synthesis of benzo[e]pyrazolo[1,5-c][1,3]thiazines via one-pot two-step reactions of readily available substituted 1-(2-halopheny1)-3-akylprop-2-yn-1-ones, hydrazine hydrochloride and beta-oxodithioesters under mild conditions, and the corresponding benzo[e]pyrazolo[1,5-c][1,3]thiazines were obtained in good to excellent yields. The novel method affords a new strategy for the construction of diverse and useful poly N, S-heterocyclic compounds.
引用
收藏
页码：1215 / 1223
页数：9
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